Note 10 - Discontinued Operations - Income From Discontinued Operations Amounts as Reported on Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Discontinued Operation, Tax Effect of Discontinued Operation	$ 17	$ 36
Discontinued Operations, Held-for-Sale or Disposed of by Sale [Member] \| Assets Acquired in The Dental Power Agreement [Member]
Revenue	1,255	1,257
Cost of staffing services	862	846
Gross profit	393	411
SG&A	(322)	(196)
Depreciation & amortization	0	(67)
Gain on sale in intangible asset	340	0
Net income before tax	411	148
Discontinued Operation, Tax Effect of Discontinued Operation	99	36
Net income	$ 312	$ 112

Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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